1.ELM327 is the latest PC-based scan tool. It is dispatched with a number of compatible programs. The processor is an ELM327. The output protocol (connection to laptop) is USB.
2.Processor: ELM327.
3.OBD-II Software for ELM327 is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer.
4.The program is very easy to install:simply extract the files into a folder on your computer's hard drive, and you're ready to go. To uninstall the program, simply delete the entire contents of the folder where the program resides.